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authorKevin Wolf <kwolf@redhat.com>2017-01-24 14:21:41 +0100
committerKevin Wolf <kwolf@redhat.com>2017-02-28 20:40:36 +0100
commit39829a01ae524788c68dc0794e6912faa898eb75 (patch)
tree782efad2d4de3a29885b310b50032b0f766890f3 /include/sysemu/block-backend.h
parentc62d32f503b37322a3960bad4cd4cdb69947d81e (diff)
downloadfocaccia-qemu-39829a01ae524788c68dc0794e6912faa898eb75.tar.gz
focaccia-qemu-39829a01ae524788c68dc0794e6912faa898eb75.zip
block: Allow error return in BlockDevOps.change_media_cb()
Some devices allow a media change between read-only and read-write
media. They need to adapt the permissions in their .change_media_cb()
implementation, which can fail. So add an Error parameter to the
function.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'include/sysemu/block-backend.h')
-rw-r--r--include/sysemu/block-backend.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 08611136b7..b23f6830db 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -34,7 +34,7 @@ typedef struct BlockDevOps {
      * changes.  Sure would be useful if it did.
      * Device models with removable media must implement this callback.
      */
-    void (*change_media_cb)(void *opaque, bool load);
+    void (*change_media_cb)(void *opaque, bool load, Error **errp);
     /*
      * Runs when an eject request is issued from the monitor, the tray
      * is closed, and the medium is locked.